28254 has 16 divisors (see below), whose sum is σ = 60048. Its totient is φ = 8832.

The previous prime is 28229. The next prime is 28277. The reversal of 28254 is 45282.

Added to its reverse (45282) it gives a triangular number (73536 = T₃₈₃).

It is a Curzon number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 28254.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 28254.

It is an unprimeable number.

28254 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37 + ... + 240.

It is an arithmetic number, because the mean of its divisors is an integer number (3753).

2²⁸²⁵⁴ is an apocalyptic number.

28254 is an abundant number, since it is smaller than the sum of its proper divisors (31794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30024).

28254 is a wasteful number, since it uses less digits than its factorization.

28254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299.

The product of its digits is 640, while the sum is 21.

The square root of 28254 is about 168.0892620009. The cubic root of 28254 is about 30.4574341279.

Adding to 28254 its reverse (45282), we get a triangular number (73536 = T₃₈₃).

It can be divided in two parts, 28 and 254, that added together give a palindrome (282).

The spelling of 28254 in words is "twenty-eight thousand, two hundred fifty-four".